Acts 12:5

Peter therefore was kept guarded in prison; but earnest prayer was made by the church to God in his behalf.

2 Corinthians 1:11

you also unitedly helping us by prayer, so that for this blessing bestowed on us by means of many, thanks may be given by many on your behalf.

Matthew 18:19

Again, I say to you, that if two of you shall agree on earth concerning any thing that they shall ask, it will be done for them by my Father o who is in heaven.

Luke 18:1

And he spoke a parable to them to show that they ought to pray always, and not be fainthearted:

Acts 12:12

And when he understood the matter, he came to the house of Mary the mother of John, surnamed Mark, where many were gathered together, and praying.

1 Corinthians 12:26

And so if one member suffereth, all the members suffer with it; or if one member is honored, all the members rejoice with it.

Ephesians 6:18-20

praying with all prayer and entreaty at all times in the Spirit; and watching to this end with all perseverance and entreaty for all the saints,

1 Thessalonians 5:17

Pray without ceasing;

Hebrews 13:3

Remember those in bonds, as bound with them; those in distress, as being yourselves also in the body.

James 5:16

Confess your trespasses to one another, and pray for one another, that ye may be healed. The earnest prayer of a righteous man availeth much.

Treasury of Scripture Knowledge

Summary

Peter therefore was kept in prison: but prayer was made without ceasing of the church unto God for him.

General references

Bible References

Prayer was made without ceasing, or, instant and earnest prayer was made

Acts 12:12
And when he understood the matter, he came to the house of Mary the mother of John, surnamed Mark, where many were gathered together, and praying.
Matthew 18:19
Again, I say to you, that if two of you shall agree on earth concerning any thing that they shall ask, it will be done for them by my Father o who is in heaven.
Luke 18:1
And he spoke a parable to them to show that they ought to pray always, and not be fainthearted:
1 Corinthians 12:26
And so if one member suffereth, all the members suffer with it; or if one member is honored, all the members rejoice with it.
2 Corinthians 1:11
you also unitedly helping us by prayer, so that for this blessing bestowed on us by means of many, thanks may be given by many on your behalf.
Ephesians 6:18
praying with all prayer and entreaty at all times in the Spirit; and watching to this end with all perseverance and entreaty for all the saints,
1 Thessalonians 5:17
Pray without ceasing;
Hebrews 13:3
Remember those in bonds, as bound with them; those in distress, as being yourselves also in the body.
James 5:16
Confess your trespasses to one another, and pray for one another, that ye may be healed. The earnest prayer of a righteous man availeth much.

General references

Acts 5:18
and laid hands on the apostles, and put them in the public prison.